Patents by Inventor William C. Kruckemeier

William C. Kruckemeier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Damper with optimized adjustable valving for vehicle ride control
    Patent number: 4821851
    Abstract: Suspension damper with double drum variable valving within the confines of the piston which strokes within the damper that is rotatable to predetermined stations in one revolution to provide a wide range of jounce and rebound damping characteristics and rotatable in an opposite direction from any station for maximized valve restriction producing optimized vehicle lift and dive control.
    Type: Grant
    Filed: August 21, 1987
    Date of Patent: April 18, 1989
    Assignee: General Motors Corporation
    Inventors: William C. Kruckemeier, Gustavus P. Bock, Wayne V. Fannin